Answered By: Shaun Jamison
Last Updated: Jul 07, 2017     Views: 47

Here are some possibilities. Note some dictionaries are old so consider whether the definitions may have changed over time. 

Black's Dictionary lawschool.westlaw.com (law students only - password req'd)
Wex by Cornell http://www.law.cornell.edu/wex
Bouvier's Law Dictionary 1914 (Heinonline)  heinonline.org (password req'd)
Black's from 1910 http://thelawdictionary.org/
Findlaw: http://dictionary.findlaw.com/
Law.com: http://dictionary.law.com/